1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
# -*- coding: utf-8 -*-
#
# Copyright (C) 2011 Pedro Algarvio <pedro@algarvio.me>
#
# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
# the additional special exception to link portions of this program with the OpenSSL library.
# See LICENSE for more details.
#
from math import pi
import gi # isort:skip (Version check required before import).
gi.require_version('PangoCairo', '1.0') # NOQA: E402
gi.require_foreign('cairo') # NOQA: E402
gi.require_version('cairo', '1.0') # NOQA: E402
# isort:imports-thirdparty
import cairo # Backward compat cairo <= 1.15
from gi.repository import PangoCairo
from gi.repository.Gtk import DrawingArea, ProgressBar, StateFlags
from gi.repository.Pango import SCALE, Weight
# isort:imports-firstparty
from deluge.configmanager import ConfigManager
COLOR_STATES = ['missing', 'waiting', 'downloading', 'completed']
class PiecesBar(DrawingArea):
# Draw in response to an draw
__gsignals__ = {'draw': 'override'}
def __init__(self):
super(PiecesBar, self).__init__()
# Get progress bar styles, in order to keep font consistency
pb = ProgressBar()
pb_style = pb.get_style_context()
# Get a copy of Pango.FontDescription since original needs freed.
self.text_font = pb_style.get_property('font', StateFlags.NORMAL).copy()
self.text_font.set_weight(Weight.BOLD)
# Done with the ProgressBar styles, don't keep refs of it
del pb, pb_style
self.set_size_request(-1, 25)
self.gtkui_config = ConfigManager('gtk3ui.conf')
self.width = self.prev_width = 0
self.height = self.prev_height = 0
self.pieces = self.prev_pieces = ()
self.num_pieces = None
self.text = self.prev_text = ''
self.fraction = self.prev_fraction = 0
self.progress_overlay = self.text_overlay = self.pieces_overlay = None
self.cr = None
self.connect('size-allocate', self.do_size_allocate_event)
self.show()
def do_size_allocate_event(self, widget, size):
self.prev_width = self.width
self.width = size.width
self.prev_height = self.height
self.height = size.height
# Handle the draw by drawing
def do_draw(self, event):
# Create cairo context
self.cr = self.props.window.cairo_create()
self.cr.set_line_width(max(self.cr.device_to_user_distance(0.5, 0.5)))
# Restrict Cairo to the exposed area; avoid extra work
self.roundcorners_clipping()
self.draw_pieces()
self.draw_progress_overlay()
self.write_text()
self.roundcorners_border()
# Drawn once, update width, height
if self.resized():
self.prev_width = self.width
self.prev_height = self.height
def roundcorners_clipping(self):
self.create_roundcorners_subpath(self.cr, 0, 0, self.width, self.height)
self.cr.clip()
def roundcorners_border(self):
self.create_roundcorners_subpath(
self.cr, 0.5, 0.5, self.width - 1, self.height - 1
)
self.cr.set_source_rgba(0, 0, 0, 0.9)
self.cr.stroke()
@staticmethod
def create_roundcorners_subpath(ctx, x, y, width, height):
aspect = 1.0
corner_radius = height / 10
radius = corner_radius / aspect
degrees = pi / 180
ctx.new_sub_path()
ctx.arc(x + width - radius, y + radius, radius, -90 * degrees, 0 * degrees)
ctx.arc(
x + width - radius, y + height - radius, radius, 0 * degrees, 90 * degrees
)
ctx.arc(x + radius, y + height - radius, radius, 90 * degrees, 180 * degrees)
ctx.arc(x + radius, y + radius, radius, 180 * degrees, 270 * degrees)
ctx.close_path()
return ctx
def draw_pieces(self):
if not self.num_pieces:
# Nothing to draw.
return
if (
self.resized()
or self.pieces != self.prev_pieces
or self.pieces_overlay is None
):
# Need to recreate the cache drawing
self.pieces_overlay = cairo.ImageSurface(
cairo.FORMAT_ARGB32, self.width, self.height
)
ctx = cairo.Context(self.pieces_overlay)
if self.pieces:
pieces = self.pieces
elif self.num_pieces:
# Completed torrents do not send any pieces so create list using 'completed' state.
pieces = [COLOR_STATES.index('completed')] * self.num_pieces
start_pos = 0
piece_width = self.width / len(pieces)
pieces_colors = [
[
color / 65535
for color in self.gtkui_config['pieces_color_%s' % state]
]
for state in COLOR_STATES
]
for state in pieces:
ctx.set_source_rgb(*pieces_colors[state])
ctx.rectangle(start_pos, 0, piece_width, self.height)
ctx.fill()
start_pos += piece_width
self.cr.set_source_surface(self.pieces_overlay)
self.cr.paint()
def draw_progress_overlay(self):
if not self.text:
# Nothing useful to draw, return now!
return
if (
self.resized()
or self.fraction != self.prev_fraction
or self.progress_overlay is None
):
# Need to recreate the cache drawing
self.progress_overlay = cairo.ImageSurface(
cairo.FORMAT_ARGB32, self.width, self.height
)
ctx = cairo.Context(self.progress_overlay)
ctx.set_source_rgba(0.1, 0.1, 0.1, 0.3) # Transparent
ctx.rectangle(0, 0, self.width * self.fraction, self.height)
ctx.fill()
self.cr.set_source_surface(self.progress_overlay)
self.cr.paint()
def write_text(self):
if not self.text:
# Nothing useful to draw, return now!
return
if self.resized() or self.text != self.prev_text or self.text_overlay is None:
# Need to recreate the cache drawing
self.text_overlay = cairo.ImageSurface(
cairo.FORMAT_ARGB32, self.width, self.height
)
ctx = cairo.Context(self.text_overlay)
pl = PangoCairo.create_layout(ctx)
pl.set_font_description(self.text_font)
pl.set_width(-1) # No text wrapping
pl.set_text(self.text, -1)
plsize = pl.get_size()
text_width = plsize[0] // SCALE
text_height = plsize[1] // SCALE
area_width_without_text = self.width - text_width
area_height_without_text = self.height - text_height
ctx.move_to(area_width_without_text // 2, area_height_without_text // 2)
ctx.set_source_rgb(1, 1, 1)
PangoCairo.update_layout(ctx, pl)
PangoCairo.show_layout(ctx, pl)
self.cr.set_source_surface(self.text_overlay)
self.cr.paint()
def resized(self):
return self.prev_width != self.width or self.prev_height != self.height
def set_fraction(self, fraction):
self.prev_fraction = self.fraction
self.fraction = fraction
def get_fraction(self):
return self.fraction
def get_text(self):
return self.text
def set_text(self, text):
self.prev_text = self.text
self.text = text
def set_pieces(self, pieces, num_pieces):
self.prev_pieces = self.pieces
self.pieces = pieces
self.num_pieces = num_pieces
def get_pieces(self):
return self.pieces
def clear(self):
self.pieces = self.prev_pieces = ()
self.num_pieces = None
self.text = self.prev_text = ''
self.fraction = self.prev_fraction = 0
self.progress_overlay = self.text_overlay = self.pieces_overlay = None
self.cr = None
self.update()
def update(self):
self.queue_draw()
|
Deluge
